From cf097244697ed622ae1389a0a164f7e546dd7ddd Mon Sep 17 00:00:00 2001
From: Zeya Peng <zeyap@meta.com>
Date: Fri, 17 Apr 2026 13:18:54 -0400
Subject: [PATCH] Add null check before calling
 fabricSuspendOnActiveViewTransition

fabricSuspendOnActiveViewTransition may not be available on all versions
of nativeFabricUIManager. Guard the call with a null check to prevent
crashes on hosts that haven't implemented this method yet.
---
 packages/react-native-renderer/src/ReactFiberConfigFabric.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/react-native-renderer/src/ReactFiberConfigFabric.js b/packages/react-native-renderer/src/ReactFiberConfigFabric.js
index fe3536c2050b..29beb80db91b 100644
--- a/packages/react-native-renderer/src/ReactFiberConfigFabric.js
+++ b/packages/react-native-renderer/src/ReactFiberConfigFabric.js
@@ -657,7 +657,9 @@ export function suspendOnActiveViewTransition(
   state: SuspendedState,
   container: Container,
 ): void {
-  fabricSuspendOnActiveViewTransition();
+  if (fabricSuspendOnActiveViewTransition != null) {
+    fabricSuspendOnActiveViewTransition();
+  }
 }
 
 export function waitForCommitToBeReady(